Check-rower for corn-planters



(No Model.)

W. O. DURYEA. CHECK ROWER FOR 001m PLANTERS.

1%. 605,634. PatentedJune 14, 1898.

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UNITED. ST T S r-ATEN ems;

WILBUR-OVDVURYEA, or MORNING SUN, Iowng CH ECK-ROWER FOR CORN-PLANTERS.

SPECIFICATION forming part of Letters Patent No. 60;},634, dated June14, 1898.

Application filed November 12, 1897:. Serial1 lo. t58,324.' (No model.)I

To all whom it may concert 1.; j Be it known that I, WILBUR'O. DURYEA, a

' resident of Morning ,Sun, in the county of Louisa and State of Iowa,have invented cer-' tain new and useful Improvements in chec Rowers forCorn-Planters; and I do hereby declare the following to be a full,clear, and ex-' act description of the invention, such as will enableothers skilled in the art to which it appertains to makeand use thesame.

My invention relates to an improvement in automatic check-rowers forcorn-planters, the object of the invention beingtoprovide'sim; ple andefficient means for operating the drop ping mechanism of a corn-planterso that the seed will be dropped in straight lateral rows, or, in otherwords, so that the rows will be in perfect check without the use of aline or wlre.

A further object is to provide a check-rower with simple means wherebyto accurately operate markers without the use of wires.

With these objects in viewthe invention consists in certain novelfeatures of construction and combinations and arrangements of.

out in the claims.

In the accompanying drawings, Figure 1 is a side elevation of a part ofa corn-planter and showing a side view of my improvements. Fig. 2 isa'plan' view. Figs. 3 and 4 are detail views of lugs or projections onsome of the links of, the sprocket-chains. detail elevation of the frontaxle and mountings of the same. Fig. 6 illustrates the form andconstruction of the frontwheel, and Fig.

parts, as hereinafter set forth, and pointed 7 is a perspective viewofone of the markers.

A represents a portion of the frame of an ordinary corn-planter; B,the-main axle; C, the carrying-wheels, and D'the tongue; A screw 1passes through the tongue and is held in proper position by meansofjam-nuts2, the upper end of saids'crew being provided with a loop oreye 3 and the lower end made to enter a casting 4, which serves as abearing for a revoluble shaft or axle 5. The shaft or axle 5 also hasbearings near its ends in T-couplings '6' 6, which are connectedtogether by means of a trussrod 7, passing through'the loop or eye 3 onthe upper end of screw 1.. The revoluble shaft 5 is prevented fromlongitudinal movement in its bearings Fig. 5 isa by means of collars 8,secured thereto by 11163111501 set-screws and adapted to bear againstthe respective ends of thecasting 4.

. gitudinally the side rods or'bars9 are each made in two sectionsconnected together by meansof turnbuckles 12. The frame is also bracedby Ineansof diagonally-disposed rods Ior bars 13, connected at theirforward ends to the easting4 by means of suitable staples 14 andconnected at their rear ends in a similarnianner to the fixed shaft 11.It is apparentthatwhen the frame isadjusted the connections of the rearends of the rods or bars 13 with the fixed'shaft will be moved toward oraway from each other as the frame is lengthened or, shortened.

Sprocket-wheels 15 are secured to the rev= oluble shaft 5, andsprocket-wheels 16 are mounted loosely on the respective ends of thefixed shaft 11. Over these pairs of sprocketwheels sprocket-chains 17pass, and it is for the purpose of tightening or regulatingthe tensionof these chains that the said frame is 'made adjustable, and in orderthat said frame may be pulled forward properly as the apparatusrnovesforwardly and without putting too much strainon the bolt orscrew 1the center of the casting is connected withthe tongue by means of abrace or truss rod 18.

.Each wheel 15is made of such size that one- ,half a revolution'of thesame will represent the distance between two rows,and each wheelispprovided at diametrically opposite points with markers 19. Thewheels15 and 16 are so arranged with respect to each other that thesprocket-chain 17 will pass over the ground from one wheel to the other.Some of the links of each chain are provided with lugs 2O, (preferablyhaving sharp free ends 21,) adapted to enter the ground as the machinemoves forward and thus insure the accurate rotation of the wheels 1516,and consequently the accurate marking of the rows. In order toprevent dirt from packing under the sprocket-chains as they pass overthe wheels 15, the rims of saidwheels are made triangular incross-section, so as to present a sharp edge a and inclined faces Z).The wheel 15 is also made with enlargements for the acconnnodation ofthe sprocket-teeth 0. Between the sprocket-teeth transverse enlargements(1 are formed and adapted to serve as seats for the links of the chainhaving the lugs 20 thereon, and said enlargements d are preferably madediamond-shaped, so as to present sharp edges and inclined or beveledfaces. When the rims of the wheels 15 are thus constructed, there willbe no danger of dirt packing between the sprocket-chains and the rims ofthe wheels.

The rear wheels 16 are made much smaller than the wheels 15, and, ashereinbefore intimated, are mounted loosely on the fixed shaft. Thesewheels are made with rims triangular in cross-section and may be madewithout sprocket-teeth, if desired, and in fact I prefer to make theserear wheels without sprocket-teeth. In order to properly guide thechains over the rear wheels 16, the latter are provided with U-shapedprojections 22, which embrace the chains as they pass over said wheels16, and to further insure against the chains becoming clogged with dirtthe illner edges of the projections 22, which engage the chains, arepreferably made sharp.

The revoluble shaft 5 is provided with an adjustable collar 23, providedat diametrically opposite points with pins 24, adapted to operate thedropping mechanism (not shown) and are adapted to act in unison with themarking devices, so that whenever one of the markers engages the groundthe seed will be dropped.

A shaft 25 is mounted on the main frame A of the planter and providedbetween its ends with an arm 26. To the free end of this arm a link 27is pivotally connected, and to the lower end of said link the upper endsof two chains 28 28 are secured. The lower ends of the chains 28 areattached to the rods or bars 13, or, more properly speaking, said chainsare attached to a cross-bar 30, disposed under the bars 13 under therear end of the tongue. The shaft 25 is provided with an operating-lever31, having a locking-dog 32 to engage a toothed segment 33 on the frameA. By means of the lever 31 and cooperating devices the frame can beraisec, as usual, and at the same time my impiJved checkrower deviceswill be raised also.

In operation the planter is driven across the field at one side thereofand the markers permitted to leave an impression in the ground at everyhill or place where the seed is to be dropped. The driver will then atthe end of the rows raise the frame out of the ground in the ordinaryway, and the machine will be turned around, when the driver will leanover and turn the sprocket-wheels until one of the markers on the chainis in alinement with an impression left by the marker in the row lastmade. The driver will then lower the frame and proceed across the field.

It is evident that instead of providing the chains and marking devicesat both sides of the machine a single set of these devices may beemployed at one side of the machine.

Various slight changes might be made in the details of construction ofmy invention without departing from the spirit thereof or limiting itsscope, and hence I do not wish to limit myself to the precise detailsherein set forth.

Having fully described my invention, what I claim as new, and desire tosecure by Letters Patent, is- 4 1. The combination with the frame of acornplanter and a tongue, of a frame connected with said tongue, wheelscarried at each side of said last-mentioned frame, a chain passing overeach pair of Wheels and adapted to engage the ground, markers on onewheel of each pair, and means for raising said lastmentioned frame,substantially as set forth.

2. The combination with the frame and tongue of a corn-planter, of amovable frame attached to the tongue, wheels carried by said movableframe, markers carried by one of said wheels, a chain passing over saidwheels and adapted to engage the ground, a crankshaft mounted on theframe of the planter, a rod or link connected with said crank-shaft,chains connecting said rod or link with said movable frame, and anoperating-lever secured to said crank-shaft, substantially as set forth.

3. The combination with the frame and tongue of a corn-planter, of ascrew passing through said tongue and having an eye or loop at its upperend, a casting secured to the lower end of said screw, a revoluble shafthaving a central bearing in said casting, lateral bearings for saidshaft, a truss-rod secured at its ends to said lateral bearings andpassing through the eye or loop on the screw, wheels carried by saidshaft and markers carried by said wheels, substantially as set forth.

4. The combination with the frame and tongue of a corn-planter, of acasting secured to said tongue, a revoluble shaft having a centralbearing in said casting, lateral bearings for said shaft, a fixed shaft,bearings therefor, adjustable connections between the lateral bearingsfor the revoluble shaft and the bearings of the fixed shaft, wheelssocured to the revoluble shaft, markers on said wheels, wheels mountedloosely on the fixed shaft, chains passing over said wheels and meansfor causing said chains to engage the ground, substantially as setforth.

5. The combination with the frame and. tongue of a corn-planter, of acasting secured to the tongue, a revoluble shaft having a centralbearing in said casting, lateral bearings for said shaft, a fixed shaft,lateral bearings for the fixed shaft, connections between said lateralbearings, and rods or bars connected IIO - eled or inclined faces,asprOcket-chain passing over said wheels, and lugs projecting from linksof said chain and adapted to enter the ground, substantially as and forthe purpose setforth.

7; In a check-rower for corn-planters, the combination with suitableframework, of two wheels carried by said framework, each wheel having arim provided with inclined or divergent faces, a chain passing over saidwheels, and lugs on'said chain to engage the ground, substantially asset forth.

8. In a check-rower for corn-planters, the combination with suitableframework, of wheels carried thereby, one of said wheels carryingmarkers, a chain passing over said wheels, each wheel having a rim madetrian 'gular in cross-section, and U-shaped projections on one of saidwheels and adapted to guide the chain, substantially as set forth.

In testimony whereof I have signed this specification in the presence oftwo subscribing witnesses.

WILBUR'O. DURYEA. Witnesses: Y

- THOS. M. EDGAR,

GUY J. TOMLINSON.

